def default(self, n):
if isinstance(n, ArithInstr):
if n.lhs:
lhs = n.lhs.name
else:
lhs = None
if isinstance(n, IntMoveInstr) and isinstance(n.rhs[0], Name):
rhs = n.rhs[0].name
for v in n.live:
if lhs and v != full_reg(lhs) and v != rhs:
self.add_interference(v, full_reg(lhs))
self.add_move(full_reg(lhs), rhs)
else:
for v in n.live:
if lhs and v != full_reg(lhs):
self.add_interference(v, full_reg(lhs))
else:
Visitor.default(self, n)
def default(self, n):
if isinstance(n, ArithInstr):
if n.lhs:
lhs = n.lhs.name
else:
lhs = None
if isinstance(n, IntMoveInstr) and isinstance(n.rhs[0], Name):
rhs = n.rhs[0].name
for v in n.live:
if lhs and v != full_reg(lhs) and v != rhs:
self.add_interference(v, full_reg(lhs))
self.add_move(full_reg(lhs), rhs)
else:
for v in n.live:
if lhs and v != full_reg(lhs):
self.add_interference(v, full_reg(lhs))
else:
Visitor.default(self, n)
def free_vars(n):
if isinstance(n, Const):
return set([])
elif isinstance(n, Name):
return set([n.name])
elif isinstance(n, FunName):
return set([])
elif isinstance(n, Register): #?? -JGS
return set([full_reg(n.name)])
else:
return set([])
def free_vars(n):
if isinstance(n, Const):
return set([])
elif isinstance(n, Name):
return set([n.name])
# elif isinstance(n, FunName):
# return set([])
elif isinstance(n, Register): #?? -JGS
return set([full_reg(n.name)])
else:
return set([])
def default(self, n):
if False:
print 'visiting ' + repr(n)
if isinstance(n, ArithInstr):
if n.lhs:
lhs = n.lhs.name
else:
lhs = None
if isinstance(n, IntMoveInstr) \
and (isinstance(n.rhs[0], Name) \
or isinstance(n.rhs[0], Register)):
rhs = n.rhs[0].name
for v in n.live:
if lhs and v != full_reg(lhs) and v != rhs:
self.add_interference(v, full_reg(lhs))
self.add_move(full_reg(lhs), rhs)
else:
for v in n.live:
if lhs and v != full_reg(lhs):
self.add_interference(v, full_reg(lhs))
else:
Visitor.default(self, n)
def visitPopValue(self, n):
lhs = n.target.name
for v in n.live:
if lhs and v != full_reg(lhs):
self.add_interference(v, full_reg(lhs))
def visitPopValue(self, n):
lhs = n.target.name
for v in n.live:
if lhs and v != full_reg(lhs):
self.add_interference(v, full_reg(lhs))